skoletilbud.dk

📜 Historical scan 2026-06-29 20:55:43  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

skoletilbud.dk is a .dk domain served by 2 nameservers (ns1.123hotel.dk, ns2.123hotel.dk). It was registered on 12 October 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.19.249.114 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mail.skoletilbud.dk, backup-mx.zitcom.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   27ms
NameserverIP addressesPTRASN / ISP
ns1.123hotel.dk 185.25.141.12
2a02:2339:4006:108::123		 ns1.curanet.dk
ns1.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.123hotel.dk 2a02:2339:1:10f::123:123
91.197.248.75		 ns2.curanet.dk
ns2.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   34ms
IPTTLPTRASNISP / OrgCIDRCountryCity
81.19.249.114 3600s sequelsite1.sequelsite.dk AS47292 Sentia Denmark A/S 81.19.248.0/22 🇩🇰 Denmark Rødovre Municipality

📧 MX Records#

2 records   43ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.skoletilbud.dk 94.231.109.0 director1.mf.curanet.dk AS48854 team.blue Denmark A/S
100 3600s backup-mx.zitcom.dk 46.36.212.34
46.36.212.36
46.36.212.37
46.36.212.38
89.188.78.64
89.188.78.65
89.188.78.66
94.231.106.12		 node4.spamfilter.io
node8.spamfilter.io
node6.spamfilter.io
node7.spamfilter.io
node3.spamfilter.io
node9.spamfilter.io
node10.spamfilter.io
node2.spamfilter.io		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover81.19.249.114
🔶 Autoconfig81.19.249.114

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   133ms
TXT Record
v=spf1 a mx include:sequelsite.dk ~all

✉️ SPF#

PolicyRecord (skoletilbud.dk)
~all (soft fail) v=spf1 a mx include:sequelsite.dk ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 11:14:02
www81.19.249.114 (AS47292) (address records, no CNAME)
www vs bare domainSame network
skoletilbud.dk: 81.19.249.114 (AS47292)
www.skoletilbud.dk: 81.19.249.114 (AS47292)
WildcardYes: any name under the zone resolves
Denial of existenceNSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 10/10 · policy: ~all

  • error include:sequelsite.dk includes itself (directly or via another include): receivers return permerror
  • error include:vmi170227.contaboserver.net has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)
  • warn 10 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

50ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

41ms
FieldValue
Serial2021111801
Primary NS (MNAME)ns1.123hotel.dk
Responsible (RNAME)hostmaster@123hotel.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-13 06:24:39
FieldValue
RegistrarCURANET A/S
Registered2010-10-12
Expires2026-10-31 (13d)

🔗 Same registrant#

54 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
all-inclusive-tilbud.dkPunktum dk A/S (direct)
appio.dkCURANET A/S
benzintid.dkPunktum dk A/S (direct)
brugerdatabasen.dkCURANET A/S
brugerregisteret.dkCURANET A/S
brugerregistret.dkCURANET A/S
bytogbyt.dkCURANET A/S
bøderabat.dkCURANET A/S
capita.dkPunktum dk A/S (direct)
centraldatabasen.dkCURANET A/S
club-cms.dkCURANET A/S
cmshosting.dkCURANET A/S
cosasu.dkPunktum dk A/S (direct)
elbil-tilbud.dkCURANET A/S
erhvervcms.dkPunktum dk A/S (direct)
erhvervscms.dkCURANET A/S
erhvervshotline.dkPunktum dk A/S (direct)
folketsbank.dkCURANET A/S
foreningcms.dkCURANET A/S
foreningsbasen.dkCURANET A/S
foreningsservice.dkCURANET A/S
forretningservice.dkCURANET A/S
gpspark.dkCURANET A/S
gratiskirkehjemmeside.dkCURANET A/S
hardware-tilbud.dkCURANET A/S
it-tilbud.dkCURANET A/S
jegkanjegvil.dkCURANET A/S
jettelieberkind.dkCURANET A/S
kirke-donation.dkCURANET A/S
kirkecms.dkCURANET A/S
klikli.dkCURANET A/S
klubcms.dkCURANET A/S
kvik-cms.dkCURANET A/S
kvikkampagne.dkCURANET A/S
lektiekalender.dkCURANET A/S
luksus-både.dkCURANET A/S
mailmaskinen.dkCURANET A/S
mustgo.dkCURANET A/S
mypress.dkPunktum dk A/S (direct)
ocos.dkCURANET A/S
parfo.dkCURANET A/S
privathotline.dkPunktum dk A/S (direct)
quickpass.dkCURANET A/S
sequelsite.dkCURANET A/S
shoptowngirl.dkCURANET A/S
softwaretilbud.dkCURANET A/S
sonarceilings.dkCURANET A/S
sponsor-bil.dkCURANET A/S
stelicor.dkCURANET A/S
søndagmorgen.dkCURANET A/S
teenagertilbud.dkCURANET A/S
varetilbud.dkCURANET A/S
vægtvagten.dkCURANET A/S
yahweh.dkCURANET A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
27ms
A
34ms
MX
43ms
AAAA
42ms
TXT
133ms
CAA
28ms
HTTPS
28ms
TLSA
53ms
SOA
41ms
MTA-STS
32ms
DNSSEC
50ms
SRV
35ms
Total
587ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 06:29:39 462ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-07 16:05:27 593ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-29 20:55:43 shown 587ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-24 22:28:40 566ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-22 17:50:15 1175ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-18 08:05:01 954ms 2 NS 1 A 2 MX 🔒 Secure
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